From 69f44a5aa092fa368d1d0b2cc6533693da36c8a0 Mon Sep 17 00:00:00 2001
From: regis37 <regis.tsafack@yahoo.com>
Date: Wed, 26 Nov 2025 22:54:27 +0100
Subject: [PATCH] function top is done

---
 stack.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stack.c b/stack.c
index c425534..232a2b6 100644
--- a/stack.c
+++ b/stack.c
@@ -28,7 +28,12 @@ StackNode *pop(StackNode *stack)
 // Returns the data of the top element.
 void *top(StackNode *stack)
 {
+if (stack == NULL)
+    return NULL;
 
+StackNode *next = stack->next;
+free(stack);
+return next;
 }
 
 // Clears stack and releases all memory.